//
//  NSString+Lollipop.m
//  LollipopApp
//
//  Created by zhangyongbing on 15/12/12.
//  Copyright © 2015年 zhangyongbing. All rights reserved.
//

#import "NSString+WHSS.h"

@implementation NSString(WHSS)

-(BOOL)stringIsValid
{
    BOOL isVaild = false;
    if ([self isEqual:[NSNull null]]) {
        return false;
    }
    if (self != nil && ![self isEqualToString:@""] && ![self isEqualToString:@"(null)"]&& ![self isEqualToString:@"<null>"]) {
        isVaild = YES;
    }
    
    return isVaild;
}

-(BOOL)isEqualZero
{
    if (![self stringIsValid] || [self isEqualToString:@"0"]) {
        return YES;
    }
    return NO;
}

- (BOOL)valiMobile
{
    if (self.length < 11)
    {
        return NO;
    }else{
        /**
         * 移动号段正则表达式
         */
        NSString *CM_NUM = @"^((13[4-9])|(147)|(15[0-2,7-9])|(178)|(18[2-4,7-8]))\\d{8}|(1705)\\d{7}$";
        /**
         * 联通号段正则表达式
         */
        NSString *CU_NUM = @"^((13[0-2])|(145)|(15[5-6])|(176)|(18[5,6]))\\d{8}|(1709)\\d{7}$";
        /**
         * 电信号段正则表达式
         */
        NSString *CT_NUM = @"^((133)|(153)|(177)|(18[0,1,9]))\\d{8}$";
        NSPredicate *pred1 = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CM_NUM];
        BOOL isMatch1 = [pred1 evaluateWithObject:self];
        NSPredicate *pred2 = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CU_NUM];
        BOOL isMatch2 = [pred2 evaluateWithObject:self];
        NSPredicate *pred3 = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CT_NUM];
        BOOL isMatch3 = [pred3 evaluateWithObject:self];
        
        if (isMatch1 || isMatch2 || isMatch3) {
            return YES;
        }else{
            return NO;
        }
    }
    return NO;
}

-(NSString *)replaceStringWithAsterisk:(NSInteger)startLocation length:(NSInteger)length {
    NSString *replaceStr = self;
    for (NSInteger i = 0; i < length; i++) {
        NSRange range = NSMakeRange(startLocation, 1);
        replaceStr = [replaceStr stringByReplacingCharactersInRange:range withString:@"*"];
        startLocation ++;
    }
    return replaceStr;
}

@end
